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The first is his personal need to come off the field feeling that he has led the team better than he did in Chicago. He's been through his captaincy work in some detail and believes he could have done more as the game slipped away from the All Blacks.

All Blacks Sam Cane and Ben Smith talk candidly about the loss to Ireland in Chicago and the buildup to the test match against Ireland in Dublin this weekend.

"From my point of view, I guess I could have changed things out on the field," he said. "But you take those lessons. It's about getting a response from the guys. It's about ensuring guys stay calm enough to be able to process decisions.

"Our group is well versed at applying pressure to other teams, and when we get that pressure on ourselves you just have to react positively to that. It's about ensuring the guys are as calm and as clear as possible."

He wasn't specific, but the first 45 minutes would likely have been the period in which he felt he could have done more. That was the period when the wheels fell off for the All Blacks. They could barely do anything right and were 23-8 down before they had drawn breadth.

What struck in that period, though, was the compound and repeat errors the All Blacks made - suggesting some players were struggling to keep the clear heads needed for test football.

What Read also revealed was that the one year anniversary of Jonah Lomu's death will feature in his emotional state. Lomu was one of New Zealand's greatest All Blacks whose sudden death last year shocked the country and the world.